Hello!
The angles are supplementary meaning they add to 180°
a + 2a + 3 = 180
Combine like terms
3a + 3 = 180
Subtract 3 from both sides
3a = 177
Divide both sides by 3
a = 59
the answer is 59°
Hope this helps!
Answer:
25 rooms per floor
Step-by-step explanation:
550÷22=25
<span>image A′B′C′D′ is 5 times bigger than pre-image ABCD
scale factor = 5</span>